Balls

304 Products in this selection
Combined category including sub-categories of balls. These include rubber, metallic, plastic, bored, inspection, glass, ceramic, tooling, fixture, and checking.
Small Parts & Bearings

Additional resources:
Balls Master Catalogue PDF
AFBMA and ISO Ball Grades

A more comprehensive listing may be found on the MBA Minibearings main store at Balls.
Diameter (D) Material Precision Hardness Properties Colour Indicative
Image
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 4 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00400-CH-G28 (PK-100) Metallic Balls - 4 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
7 units (700 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$5.23 AUD
$12.07 AUD $5.23 AUD
Per 100
Diameter (D) Material Precision Hardness Indicative
Image
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 28
Hardness
60-70 Rockwell C
Metallic Balls - 4 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
Material: Chrome Steel SAE 52100    Properties: Commonly used in precision bearings.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00400-CH-G28 (PK-100) Metallic Balls - 4 mm SAE52100 Chrome - ISO 3290 Grade 28 Ball
7 units (700 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$5.23 AUD
$12.07 AUD $5.23 AUD
Per 100
View the product page first if you are unsure.
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
ZRO2
Precision
AFBMA Grade 25
Hardness
1300 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Off White
Ceramic Balls - 4 mm ZRO2 - AFBMA Grade 25 Zirconia Ball
Material: ZRO2    Specific Gravity: 6.02   
Category: Balls - Ceramic - Zirconia
Part Number: BL-00400-ZR-G25 (PK-10) Ceramic Balls - 4 mm ZRO2 - AFBMA Grade 25 Zirconia Ball
7 units (70 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$6.86 AUD
$6.86 AUD
Per 10
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
ZRO2
Precision
AFBMA Grade 25
Hardness
1300 kg/mm.sq
Ceramic Balls - 4 mm ZRO2 - AFBMA Grade 25 Zirconia Ball
Material: ZRO2    Properties: Good wear resistance and thermal resistance    Colour: Off White    Specific Gravity: 6.02   
Category: Balls - Ceramic - Zirconia
Part Number: BL-00400-ZR-G25 (PK-10) Ceramic Balls - 4 mm ZRO2 - AFBMA Grade 25 Zirconia Ball
7 units (70 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$6.86 AUD
$6.86 AUD
Per 10
View the product page first if you are unsure.
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
Si3N4
Precision
AFBMA Grade 25
Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 4 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Material: Si3N4    Specific Gravity: 3.29   
Category: Balls - Ceramic - Silicon Nitride
Part Number: BL-00400-SN-G25 (PK-10) Ceramic Balls - 4 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
14 units (140 pcs) Available Now | Item Discontinued - Up to 14 may be ordered online. No backorders. Please contact us if you need a larger quantity
$3.41 AUD
$15.00 AUD $3.41 AUD
Per 10
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
Si3N4
Precision
AFBMA Grade 25
Hardness
1580 kg/mm.sq
Ceramic Balls - 4 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29   
Category: Balls - Ceramic - Silicon Nitride
Part Number: BL-00400-SN-G25 (PK-10) Ceramic Balls - 4 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
14 units (140 pcs) Available Now | Item Discontinued - Up to 14 may be ordered online. No backorders. Please contact us if you need a larger quantity
$3.41 AUD
$15.00 AUD $3.41 AUD
Per 10
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Properties
Implant Grade Titanium
Colour
Silver
Metallic Balls - 4 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Ti-Gr23/Ti-6AL4V-ELI   
Category: Balls - Metallic - Titanium Alloy
Part Number: BL-00400-T23-G100 (PK-10) Metallic Balls - 4 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
31 units (310 pcs) Available Now | Further orders can be expected around Sat, Aug 29, 2026
$3.23 AUD
$3.23 AUD
Per 10
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
Ti-Gr23/Ti-6AL4V-ELI
Precision
ISO 3290 Grade 100
Hardness
35 Rockwell C
Metallic Balls - 4 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
Material: Ti-Gr23/Ti-6AL4V-ELI    Properties: Implant Grade Titanium    Colour: Silver   
Category: Balls - Metallic - Titanium Alloy
Part Number: BL-00400-T23-G100 (PK-10) Metallic Balls - 4 mm Ti-Gr23/Ti-6AL4V-ELI - ISO 3290 Grade 100 Titanium Alloy Ball
31 units (310 pcs) Available Now | Further orders can be expected around Sat, Aug 29, 2026
$3.23 AUD
$3.23 AUD
Per 10
View the product page first if you are unsure.
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 4 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00400-S4-G100 (PK-200) Metallic Balls - 4 mm 304 Stainless - ISO 3290 Grade 100 Ball
274 units (54800 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$3.68 AUD
$3.68 AUD
Per 200
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 4 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00400-S4-G100 (PK-200) Metallic Balls - 4 mm 304 Stainless - ISO 3290 Grade 100 Ball
274 units (54800 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$3.68 AUD
$3.68 AUD
Per 200
View the product page first if you are unsure.
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00400-S6-G100 (PK-20) Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 100 Ball
452 units (9040 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$1.41 AUD
$1.41 AUD
Per 20
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00400-S6-G100 (PK-20) Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 100 Ball
452 units (9040 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$1.41 AUD
$1.41 AUD
Per 20
View the product page first if you are unsure.
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00400-S6-G200 (PK-100) Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 200 Ball
91 units (9100 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$8.14 AUD
$8.14 AUD
Per 100
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 200
Hardness
25-39 Rockwell C
Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 200 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00400-S6-G200 (PK-100) Metallic Balls - 4 mm 316 Stainless - ISO 3290 Grade 200 Ball
91 units (9100 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$8.14 AUD
$8.14 AUD
Per 100
View the product page first if you are unsure.
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316L Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 4 mm 316L Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316L    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00400-S6L-G100 (PK-20) Metallic Balls - 4 mm 316L Stainless - ISO 3290 Grade 100 Ball
95 units (1900 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$4.86 AUD
$4.86 AUD
Per 20
Diameter (D)
4.000
mm
+/- 0.01270
(Equiv. 0.157 in.)
Material
316L Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 4 mm 316L Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316L    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00400-S6L-G100 (PK-20) Metallic Balls - 4 mm 316L Stainless - ISO 3290 Grade 100 Ball
95 units (1900 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$4.86 AUD
$4.86 AUD
Per 20
View the product page first if you are unsure.
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 16
Hardness
55-60 Rockwell C
Properties
Commonly used in precision bearings. Corrosion resistant.
Colour
Silver
Metallic Balls - 4 mm 440C Stainless - ISO 3290 Grade 16 Ball
Material: Stainless Steel AISI 440C    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00400-S440-G16 (PK-100) Metallic Balls - 4 mm 440C Stainless - ISO 3290 Grade 16 Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026
$5.86 AUD
$5.86 AUD
Per 100
Diameter (D)
4.000
mm
+/- 0.00254
(Equiv. 0.157 in.)
Material
440C Stainless
Precision
ISO 3290 Grade 16
Hardness
55-60 Rockwell C
Metallic Balls - 4 mm 440C Stainless - ISO 3290 Grade 16 Ball
Material: Stainless Steel AISI 440C    Properties: Commonly used in precision bearings. Corrosion resistant.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00400-S440-G16 (PK-100) Metallic Balls - 4 mm 440C Stainless - ISO 3290 Grade 16 Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026
$5.86 AUD
$5.86 AUD
Per 100
View the product page first if you are unsure.
Diameter (D)
4.500
mm
+/- 0.01270
(Equiv. 0.177 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Resistant to severe corrosive conditions
Colour
Silver
Metallic Balls - 4.5 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00450-S6-G100 (PK-100) Metallic Balls - 4.5 mm 316 Stainless - ISO 3290 Grade 100 Ball
14 units (1400 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$5.68 AUD
$5.68 AUD
Per 100
Diameter (D)
4.500
mm
+/- 0.01270
(Equiv. 0.177 in.)
Material
316 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 4.5 mm 316 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 316 (Similar to A4, 18-10)    Properties: Resistant to severe corrosive conditions    Colour: Silver    Specific Gravity: 7.972   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00450-S6-G100 (PK-100) Metallic Balls - 4.5 mm 316 Stainless - ISO 3290 Grade 100 Ball
14 units (1400 pcs) Available Now | Further orders can be expected around Fri, Jul 31, 2026
$5.68 AUD
$5.68 AUD
Per 100
View the product page first if you are unsure.
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Nylon (Polyamide 6/6)
Precision
Grade 2
Hardness
108 Rockwell R
Properties
Resists alkalies, weak acids and most organic solvents.
Colour
Off White
Plastic Balls - 4.76 mm Nylon - Polyamide 6/6 - - Grade 2 Ball
Material: Nylon (Polyamide 6/6)    Specific Gravity: 1.14   
Category: Balls - Plastic - Nylon
Part Number: BL-00476-NY (PK-50) Plastic Balls - 4.76 mm Nylon - Polyamide 6/6 - - Grade 2 Ball
3 units (150 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$14.05 AUD
$14.05 AUD
Per 50
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Nylon (Polyamide 6/6)
Precision
Grade 2
Hardness
108 Rockwell R
Plastic Balls - 4.76 mm Nylon - Polyamide 6/6 - - Grade 2 Ball
Material: Nylon (Polyamide 6/6)    Properties: Resists alkalies, weak acids and most organic solvents.    Colour: Off White    Specific Gravity: 1.14   
Category: Balls - Plastic - Nylon
Part Number: BL-00476-NY (PK-50) Plastic Balls - 4.76 mm Nylon - Polyamide 6/6 - - Grade 2 Ball
3 units (150 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$14.05 AUD
$14.05 AUD
Per 50
View the product page first if you are unsure.
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
PVC
Precision
Grade 2
Hardness
114 Rockwell R
Properties
Water, impact and abrasion resistant.
Colour
Grey
Plastic Balls - 4.76 mm PVC - Grade 2 Ball
Material: PVC (Polyvinyl Chloride)    Specific Gravity: 1.41   
Category: Balls - Plastic - PVC
Part Number: BL-00476-PVC (PK-20) Plastic Balls - 4.76 mm PVC - Grade 2 Ball
896 units (17920 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$2.14 AUD
$2.14 AUD
Per 20
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
PVC
Precision
Grade 2
Hardness
114 Rockwell R
Plastic Balls - 4.76 mm PVC - Grade 2 Ball
Material: PVC (Polyvinyl Chloride)    Properties: Water, impact and abrasion resistant.    Colour: Grey    Specific Gravity: 1.41   
Category: Balls - Plastic - PVC
Part Number: BL-00476-PVC (PK-20) Plastic Balls - 4.76 mm PVC - Grade 2 Ball
896 units (17920 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$2.14 AUD
$2.14 AUD
Per 20
View the product page first if you are unsure.
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Acetal
Precision
Grade 1
Hardness
118 Rockwell R
Properties
High intensity strength, rigidity, outstanding resistance to abrasion and most solvents.
Colour
Off White
Plastic Balls - 4.76 mm Acetal - Grade 1 Ball
Material: Acetal    Specific Gravity: 1.4   
Category: Balls - Plastic - Acetal
Part Number: BL-00476-AC (PK-50) Plastic Balls - 4.76 mm Acetal - Grade 1 Ball
53 units (2650 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$7.68 AUD
$7.68 AUD
Per 50
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Acetal
Precision
Grade 1
Hardness
118 Rockwell R
Plastic Balls - 4.76 mm Acetal - Grade 1 Ball
Material: Acetal    Properties: High intensity strength, rigidity, outstanding resistance to abrasion and most solvents.    Colour: Off White    Specific Gravity: 1.4   
Category: Balls - Plastic - Acetal
Part Number: BL-00476-AC (PK-50) Plastic Balls - 4.76 mm Acetal - Grade 1 Ball
53 units (2650 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$7.68 AUD
$7.68 AUD
Per 50
View the product page first if you are unsure.
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Acrylic
Precision
Grade 3
Hardness
132 Rockwell R
Properties
Resistance to weather and sunlight
Colour
Water clear transparent
Plastic Balls - 4.76 mm Acrylic - Grade 3 Ball
Material: Acrylic    Specific Gravity: 1.19   
Category: Balls - Plastic - Acrylic
Part Number: BL-00476-ACR (PK-20) Plastic Balls - 4.76 mm Acrylic - Grade 3 Ball
52 units (1040 pcs) Available Now | Item Discontinued - Up to 52 may be ordered online. No backorders. Please contact us if you need a larger quantity
$0.86 AUD
$2.88 AUD $0.86 AUD
Per 20
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Acrylic
Precision
Grade 3
Hardness
132 Rockwell R
Plastic Balls - 4.76 mm Acrylic - Grade 3 Ball
Material: Acrylic    Properties: Resistance to weather and sunlight    Colour: Water clear transparent    Specific Gravity: 1.19   
Category: Balls - Plastic - Acrylic
Part Number: BL-00476-ACR (PK-20) Plastic Balls - 4.76 mm Acrylic - Grade 3 Ball
52 units (1040 pcs) Available Now | Item Discontinued - Up to 52 may be ordered online. No backorders. Please contact us if you need a larger quantity
$0.86 AUD
$2.88 AUD $0.86 AUD
Per 20
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Polypropylene
Precision
Grade 2
Hardness
86 Rockwell R
Properties
Excellent for liquid level float applications.
Colour
White
Plastic Balls - 4.76 mm Polypropylene - Grade 2 Ball
Material: Polypropylene    Specific Gravity: 0.91   
Category: Balls - Plastic - Polypropylene
Part Number: BL-00476-PP (PK-20) Plastic Balls - 4.76 mm Polypropylene - Grade 2 Ball
131 units (2620 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$2.77 AUD
$2.77 AUD
Per 20
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Polypropylene
Precision
Grade 2
Hardness
86 Rockwell R
Plastic Balls - 4.76 mm Polypropylene - Grade 2 Ball
Material: Polypropylene    Properties: Excellent for liquid level float applications.    Colour: White    Specific Gravity: 0.91   
Category: Balls - Plastic - Polypropylene
Part Number: BL-00476-PP (PK-20) Plastic Balls - 4.76 mm Polypropylene - Grade 2 Ball
131 units (2620 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$2.77 AUD
$2.77 AUD
Per 20
View the product page first if you are unsure.
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
PTFE
Precision
Grade 1
Hardness
68 Rockwell R
Properties
No water absorption. Temperatures up to 288 Deg C.
Colour
White
Plastic Balls - 4.76 mm PTFE - Grade 1 Ball
Material: PTFE    Specific Gravity: 2.3   
Category: Balls - Plastic - PTFE
Part Number: BL-00476-PTF (PK-5) Plastic Balls - 4.76 mm PTFE - Grade 1 Ball
10 units (50 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$5.23 AUD
$5.23 AUD
Per 5
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
PTFE
Precision
Grade 1
Hardness
68 Rockwell R
Plastic Balls - 4.76 mm PTFE - Grade 1 Ball
Material: PTFE    Properties: No water absorption. Temperatures up to 288 Deg C.    Colour: White    Specific Gravity: 2.3   
Category: Balls - Plastic - PTFE
Part Number: BL-00476-PTF (PK-5) Plastic Balls - 4.76 mm PTFE - Grade 1 Ball
10 units (50 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$5.23 AUD
$5.23 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Santoprene Rubber
Precision
Grade II
Hardness
Shore 40D
Properties
Excellent for liquid level float applications.
Colour
Beige or Red
Rubber Balls - 4.76 mm Santoprene Rubber - Grade II Santoprene 40D Ball
Material: Santoprene Rubber    Specific Gravity: 0.95   
Category: Balls - Rubber - Santoprene 40D
Part Number: BL-00476-R40D (PK-20) Rubber Balls - 4.76 mm Santoprene Rubber - Grade II Santoprene 40D Ball
66 units (1320 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$6.41 AUD
$6.41 AUD
Per 20
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Santoprene Rubber
Precision
Grade II
Hardness
Shore 40D
Rubber Balls - 4.76 mm Santoprene Rubber - Grade II Santoprene 40D Ball
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Beige or Red    Specific Gravity: 0.95   
Category: Balls - Rubber - Santoprene 40D
Part Number: BL-00476-R40D (PK-20) Rubber Balls - 4.76 mm Santoprene Rubber - Grade II Santoprene 40D Ball
66 units (1320 pcs) Available Now | Further orders can be expected around Fri, Sep 18, 2026
$6.41 AUD
$6.41 AUD
Per 20
View the product page first if you are unsure.
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Santoprene Rubber
Precision
ISO 3290 Grade 3
Hardness
Shore 87A
Properties
Excellent for liquid level float applications.
Colour
Beige
Rubber Balls - 4.76 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A Ball
Material: Santoprene Rubber    Specific Gravity: 0.96   
Category: Balls - Rubber - Santoprene 87A
Part Number: BL-00476-R87A (PK-50) Rubber Balls - 4.76 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A Ball
7 units (350 pcs) Available Now | Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity
$4.61 AUD
$15.86 AUD $4.61 AUD
Per 50
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Santoprene Rubber
Precision
ISO 3290 Grade 3
Hardness
Shore 87A
Rubber Balls - 4.76 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A Ball
Material: Santoprene Rubber    Properties: Excellent for liquid level float applications.    Colour: Beige    Specific Gravity: 0.96   
Category: Balls - Rubber - Santoprene 87A
Part Number: BL-00476-R87A (PK-50) Rubber Balls - 4.76 mm Santoprene Rubber - ISO 3290 Grade 3 Santoprene 87A Ball
7 units (350 pcs) Available Now | Item Discontinued - Up to 7 may be ordered online. No backorders. Please contact us if you need a larger quantity
$4.61 AUD
$15.86 AUD $4.61 AUD
Per 50
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Torlon (Polyamide-imide)
Precision
Grade II
Hardness
Rockwell E86 or M109-119
Properties
High resistance to heat, high strength, dimensional stability and impact resistance.
Colour
Green-Brown
Plastic Balls - 4.76 mm Torlon - Polyamide-imide - - Grade II Ball
Material: Torlon (Polyamide-imide)    Specific Gravity: 1.38   
Category: Balls - Plastic - Torlon
Part Number: BL-00476-TO (PK-5) Plastic Balls - 4.76 mm Torlon - Polyamide-imide - - Grade II Ball
21 units (105 pcs) Available Now | Further orders can be expected around Tue, Aug 11, 2026
$9.05 AUD
$9.05 AUD
Per 5
Diameter (D)
4.76
mm
+/- 0.051
(Equiv. 0.187 in.)
Material
Torlon (Polyamide-imide)
Precision
Grade II
Hardness
Rockwell E86 or M109-119
Plastic Balls - 4.76 mm Torlon - Polyamide-imide - - Grade II Ball
Material: Torlon (Polyamide-imide)    Properties: High resistance to heat, high strength, dimensional stability and impact resistance.    Colour: Green-Brown    Specific Gravity: 1.38   
Category: Balls - Plastic - Torlon
Part Number: BL-00476-TO (PK-5) Plastic Balls - 4.76 mm Torlon - Polyamide-imide - - Grade II Ball
21 units (105 pcs) Available Now | Further orders can be expected around Tue, Aug 11, 2026
$9.05 AUD
$9.05 AUD
Per 5
View the product page first if you are unsure.
Diameter (D)
4.762
mm
+/- 0.1270
(Equiv. 0.187 in.)
Material
Phosphor Bronze
Precision
AFBMA Grade 1000
Hardness
75-98 Rockwell B
Properties
Good corrosion resistance, widely used as an electrical conductor
Colour
Bronze
Metallic Balls - 4.762 mm Phosphor Bronze - AFBMA Grade 1000 Ball
Material: Phosphor Bronze    Specific Gravity: 8.4   
Category: Balls - Metallic - Phosphor Bronze
Part Number: BL-00476-PB-G1000 (PK-20) Metallic Balls - 4.762 mm Phosphor Bronze - AFBMA Grade 1000 Ball
118 units (2360 pcs) Available Now | Further orders can be expected around Wed, Sep 16, 2026
$3.32 AUD
$16.56 AUD $3.32 AUD
Per 20
Diameter (D)
4.762
mm
+/- 0.1270
(Equiv. 0.187 in.)
Material
Phosphor Bronze
Precision
AFBMA Grade 1000
Hardness
75-98 Rockwell B
Metallic Balls - 4.762 mm Phosphor Bronze - AFBMA Grade 1000 Ball
Material: Phosphor Bronze    Properties: Good corrosion resistance, widely used as an electrical conductor    Colour: Bronze    Specific Gravity: 8.4   
Category: Balls - Metallic - Phosphor Bronze
Part Number: BL-00476-PB-G1000 (PK-20) Metallic Balls - 4.762 mm Phosphor Bronze - AFBMA Grade 1000 Ball
118 units (2360 pcs) Available Now | Further orders can be expected around Wed, Sep 16, 2026
$3.32 AUD
$16.56 AUD $3.32 AUD
Per 20
View the product page first if you are unsure.
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 20
Hardness
60-70 Rockwell C
Properties
Commonly used in precision bearings.
Colour
Silver
Metallic Balls - 4.763 mm SAE52100 Chrome - ISO 3290 Grade 20 Ball
Material: Chrome Steel SAE 52100    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00476-CH-G20 (PK-100) Metallic Balls - 4.763 mm SAE52100 Chrome - ISO 3290 Grade 20 Ball
46 units (4600 pcs) Available Now | Further orders can be expected around Thu, Aug 06, 2026
$6.50 AUD
$6.50 AUD
Per 100
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
SAE52100 Chrome
Precision
ISO 3290 Grade 20
Hardness
60-70 Rockwell C
Metallic Balls - 4.763 mm SAE52100 Chrome - ISO 3290 Grade 20 Ball
Material: Chrome Steel SAE 52100    Properties: Commonly used in precision bearings.    Colour: Silver    Specific Gravity: 7.833   
Category: Balls - Metallic - Chrome Steel
Part Number: BL-00476-CH-G20 (PK-100) Metallic Balls - 4.763 mm SAE52100 Chrome - ISO 3290 Grade 20 Ball
46 units (4600 pcs) Available Now | Further orders can be expected around Thu, Aug 06, 2026
$6.50 AUD
$6.50 AUD
Per 100
View the product page first if you are unsure.
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
Si3N4
Precision
AFBMA Grade 25
Hardness
1580 kg/mm.sq
Properties
Good wear resistance and thermal resistance
Colour
Grey
Ceramic Balls - 4.763 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Material: Si3N4    Specific Gravity: 3.29   
Category: Balls - Ceramic - Silicon Nitride
Part Number: BL-00476-SN-G25 (PK-5) Ceramic Balls - 4.763 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
268 units (1340 pcs) Available Now | Item Discontinued - Up to 268 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.14 AUD
$9.10 AUD $2.14 AUD
Per 5
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
Si3N4
Precision
AFBMA Grade 25
Hardness
1580 kg/mm.sq
Ceramic Balls - 4.763 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
Material: Si3N4    Properties: Good wear resistance and thermal resistance    Colour: Grey    Specific Gravity: 3.29   
Category: Balls - Ceramic - Silicon Nitride
Part Number: BL-00476-SN-G25 (PK-5) Ceramic Balls - 4.763 mm Si3N4 - AFBMA Grade 25 Silicon Nitride Ball
268 units (1340 pcs) Available Now | Item Discontinued - Up to 268 may be ordered online. No backorders. Please contact us if you need a larger quantity
$2.14 AUD
$9.10 AUD $2.14 AUD
Per 5
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
Synthetic Sapphire
Precision
AFBMA Grade 25
Hardness
9 Mohs
Properties
Extreme hardness and wear resistance
Colour
Transparent
Ceramic Balls - 4.763 mm Synthetic Sapphire - AFBMA Grade 25 Ball
Material: Synthetic Sapphire    Specific Gravity: 3.98   
Category: Balls - Ceramic - Synthetic
Part Number: BL-00476-SP-G25 (Each) Ceramic Balls - 4.763 mm Synthetic Sapphire - AFBMA Grade 25 Ball
15 Available Now | Item Discontinued - Up to 15 may be ordered online. No backorders. Please contact us if you need a larger quantity
$13.05 AUD
$15.65 AUD $13.05 AUD
Each
Diameter (D)
4.763
mm
+/- 0.00254
(Equiv. 0.188 in.)
Material
Synthetic Sapphire
Precision
AFBMA Grade 25
Hardness
9 Mohs
Ceramic Balls - 4.763 mm Synthetic Sapphire - AFBMA Grade 25 Ball
Material: Synthetic Sapphire    Properties: Extreme hardness and wear resistance    Colour: Transparent    Specific Gravity: 3.98   
Category: Balls - Ceramic - Synthetic
Part Number: BL-00476-SP-G25 (Each) Ceramic Balls - 4.763 mm Synthetic Sapphire - AFBMA Grade 25 Ball
15 Available Now | Item Discontinued - Up to 15 may be ordered online. No backorders. Please contact us if you need a larger quantity
$13.05 AUD
$15.65 AUD $13.05 AUD
Each
Diameter (D)
4.763
mm
+/- 0.01270
(Equiv. 0.188 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Properties
Low magnetic permeability. Good corrosion resistance
Colour
Silver
Metallic Balls - 4.763 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00476-S4-G100 (PK-500) Metallic Balls - 4.763 mm 304 Stainless - ISO 3290 Grade 100 Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026
$21.23 AUD
$21.23 AUD
Per 500
Diameter (D)
4.763
mm
+/- 0.01270
(Equiv. 0.188 in.)
Material
304 Stainless
Precision
ISO 3290 Grade 100
Hardness
25-39 Rockwell C
Metallic Balls - 4.763 mm 304 Stainless - ISO 3290 Grade 100 Ball
Material: Stainless Steel 304 (Similar to A2, 18-8) HRB80    Properties: Low magnetic permeability. Good corrosion resistance    Colour: Silver    Specific Gravity: 7.916   
Category: Balls - Metallic - Stainless Steel
Part Number: BL-00476-S4-G100 (PK-500) Metallic Balls - 4.763 mm 304 Stainless - ISO 3290 Grade 100 Ball
Out of Stock | Backorder Now | Orders can be expected around Fri, Jul 31, 2026
$21.23 AUD
$21.23 AUD
Per 500
View the product page first if you are unsure.